<template>
  <div>
    <vxe-button @click="changeHomePageEvent">首页</vxe-button>
    <vxe-button @click="changeEndPageEvent">末页</vxe-button>
    <vxe-button @click="changeCurrPage($event, 1)">切换页数1</vxe-button>
    <vxe-button @click="changeCurrPage($event, 2)">切换页数2</vxe-button>
    <vxe-button @click="changePageSize($event, 10)">切换大小10</vxe-button>
    <vxe-button @click="changePageSize($event, 20)">切换大小20</vxe-button>
    <vxe-button @click="reloadEvent">重新加载</vxe-button>
    <vxe-grid ref="gridRef" v-bind="gridOptions"></vxe-grid>
  </div>
</template>

<script lang="ts">
import Vue from 'vue'
import { VxeGridInstance, VxeGridProps } from 'vxe-table'
import { VxeButtonDefines } from 'vxe-pc-ui'

interface RowVO {
  id: number
  name: string
  nickname: string
  role: string
  sex: string
  age: number
  address: string
}

const list = [
  { id: 10001, name: 'Test1', nickname: 'T1', role: 'Develop', sex: 'Man', age: 28, address: 'Shenzhen' },
  { id: 10002, name: 'Test2', nickname: 'T2', role: 'Test', sex: 'Women', age: 22, address: 'Guangzhou' },
  { id: 10003, name: 'Test3', nickname: 'T3', role: 'PM', sex: 'Man', age: 32, address: 'Shanghai' },
  { id: 10004, name: 'Test4', nickname: 'T4', role: 'Designer', sex: 'Women', age: 23, address: 'test abc' },
  { id: 10005, name: 'Test5', nickname: 'T5', role: 'Develop', sex: 'Women', age: 30, address: 'Shanghai' },
  { id: 10006, name: 'Test6', nickname: 'T6', role: 'Designer', sex: 'Women', age: 21, address: 'Shenzhen' },
  { id: 10007, name: 'Test7', nickname: 'T7', role: 'Test', sex: 'Man', age: 29, address: 'Shenzhen' },
  { id: 10008, name: 'Test8', nickname: 'T8', role: 'Develop', sex: 'Man', age: 35, address: 'test abc' },
  { id: 10009, name: 'Test9', nickname: 'T9', role: 'Develop', sex: 'Man', age: 35, address: 'Shenzhen' },
  { id: 100010, name: 'Test10', nickname: 'T10', role: 'Develop', sex: 'Man', age: 35, address: 'Guangzhou' },
  { id: 100011, name: 'Test11', nickname: 'T11', role: 'Develop', sex: 'Man', age: 49, address: 'Guangzhou' },
  { id: 100012, name: 'Test12', nickname: 'T12', role: 'Develop', sex: 'Women', age: 45, address: 'Shanghai' },
  { id: 100013, name: 'Test13', nickname: 'T13', role: 'Test', sex: 'Women', age: 35, address: 'Guangzhou' },
  { id: 100014, name: 'Test14', nickname: 'T14', role: 'Test', sex: 'Man', age: 29, address: 'Shanghai' },
  { id: 100015, name: 'Test15', nickname: 'T15', role: 'Develop', sex: 'Man', age: 39, address: 'Guangzhou' },
  { id: 100016, name: 'Test16', nickname: 'T16', role: 'Test', sex: 'Women', age: 35, address: 'Guangzhou' },
  { id: 100017, name: 'Test17', nickname: 'T17', role: 'Test', sex: 'Man', age: 39, address: 'Shanghai' },
  { id: 100018, name: 'Test18', nickname: 'T18', role: 'Develop', sex: 'Man', age: 44, address: 'Guangzhou' },
  { id: 100019, name: 'Test19', nickname: 'T19', role: 'Develop', sex: 'Man', age: 39, address: 'Guangzhou' },
  { id: 100020, name: 'Test20', nickname: 'T20', role: 'Test', sex: 'Women', age: 35, address: 'Guangzhou' },
  { id: 100021, name: 'Test21', nickname: 'T21', role: 'Test', sex: 'Man', age: 39, address: 'Shanghai' },
  { id: 100022, name: 'Test22', nickname: 'T22', role: 'Develop', sex: 'Man', age: 44, address: 'Guangzhou' }
]

// 模拟接口
const findPageList = (pageSize: number, currentPage: number) => {
  console.log(`调用查询接口 pageSize=${pageSize} currentPage=${currentPage}`)
  return new Promise<{
    result: RowVO[]
    page: {
      total: number
    }
  }>(resolve => {
    setTimeout(() => {
      resolve({
        result: list.slice((currentPage - 1) * pageSize, currentPage * pageSize),
        page: {
          total: list.length
        }
      })
    }, 100)
  })
}

export default Vue.extend({
  data () {
    const gridOptions: VxeGridProps<RowVO> = {
      border: true,
      height: 300,
      pagerConfig: {},
      proxyConfig: {
        // showLoading: false, // 关闭加载中
        seq: true, // 启用自动序号
        // response: {
        //   result: 'result', // 配置响应结果列表字段
        //   total: 'page.total' // 配置响应结果总页数字段
        // },
        ajax: {
          query: ({ page }) => {
            // 默认接收 Promise<{ result: [], page: { total: 100 } }>
            return findPageList(page.pageSize, page.currentPage)
          }
        }
      },
      columns: [
        { type: 'seq', width: 70 },
        { field: 'name', title: 'Name' },
        { field: 'nickname', title: 'Nickname' },
        { field: 'role', title: 'Role' },
        { field: 'address', title: 'Address', showOverflow: true }
      ]
    }

    return {
      gridOptions
    }
  },
  methods: {
    changeHomePageEvent (params) {
      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.homePageByEvent(params.$event)
      }
    },
    changeEndPageEvent (params) {
      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.endPageByEvent(params.$event)
      }
    },
    changeCurrPage (params: VxeButtonDefines.ClickEventParams, num: number) {
      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.setCurrentPageByEvent(params.$event, num)
      }
    },
    changePageSize (params: VxeButtonDefines.ClickEventParams, num: number) {
      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.setPageSizeByEvent(params.$event, num)
      }
    },
    reloadEvent () {
      const $grid = this.$refs.gridRef as VxeGridInstance<RowVO>
      if ($grid) {
        $grid.commitProxy('reload')
      }
    }
  }
})
</script>
